S
M
T
W
T
F
S
27
66°
56°
28
75°
53°
29
88°
53°
30
84°
57°
1
81°
53°
2
80°
56°
3
95°
60°
4
89°
64°
5
85°
62°
6
90°
61°
7
86°
61°
8
84°
56°
9
72°
56°
10
66°
55°
11
70°
48°
12
70°
50°
13
75°
52°
14
80°
48°
15
88°
55°
16
90°
57°
17
88°
53°
18
73°
53°
19
68°
52°
20
72°
52°
21
75°
52°
22
74°
51°
23
75°
52°
24
76°
52°
25
75°
54°
26
76°
52°
27
74°
48°
28
74°
50°
29
73°
49°
30
75°
51°
31
75°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in San Carlos
San Carlos's October 2026 forecast shows daily high temperatures ranging from 68° to 90°, with overnight lows between 48° and 57°. The average high for October is 77° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in San Carlos. See also: November | December | January.
